'Spoon'  Odd shaped target at depth-13''                                           Roman Fibula 7'' deep -low conductivity

         Very high conductive buckle, loved by detectors                     Thimble can sometimes be a difficult target 12'' deep

      Large musket ball can give a strange signal   10'' Deep                Lead weight can confuse some detectors 14'' Deep

Small buckle at 6''-8''-10'' detectors love anything with a hole in the middle